如图所示,在平面直角坐标系中,已知
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/6/1762845c-41e2-47b2-9873-6257a387da52.png?resizew=204)
(1)在平面直角坐标系中画出
,以及与
关于y轴对称的
;
(2)
的面积是______;
(3)已知P为x轴上一点,若
的面积为3,求点P的坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743c08b3555fca31cd299d6d90242fba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/6/1762845c-41e2-47b2-9873-6257a387da52.png?resizew=204)
(1)在平面直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)已知P为x轴上一点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
更新时间:2023-02-05 19:46:15
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】如图①,在平面直角坐标系中,点
,点
分别在
轴负半轴和
轴正半轴上,点
在第二象限,且
,
,点
的坐标为
,点
的纵坐标为
,且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/7ca7a0bd-e4c9-44d4-a096-776a974cbf50.png?resizew=285)
(1)求点
的坐标.
(2)如图②,点
是
的中点,点
,
分别是边
,
上的动点,且
,
求证:
;
(3)在(2)条件下,四边形
的面积是否为定值?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d45c738904d7aea7b2aa9caa2aa315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19252ed90bd169e8eb35eeccf95dbac7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/7ca7a0bd-e4c9-44d4-a096-776a974cbf50.png?resizew=285)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)如图②,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3efffb3e6a571832b723b3c5795b8e8c.png)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7faabc484ce3666706c1beffda4bcfe2.png)
(3)在(2)条件下,四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af045d2542c40f955a9de356b9b088c4.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】已知平面直角坐标系内有4个点:
、
、
、![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72823973b216661033235d1ddaa5425e.png)
(2)顺次连接
、
、
、
组成的四边形
,求出四边形
的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8a9452557220c052e6f08bc63270d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76f9e53da5d4c6676363dad3c0bedc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471977b6eece755593449f0515a9dd7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72823973b216661033235d1ddaa5425e.png)
(2)顺次连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,△ABC的三个顶点坐标分别为A(2,3),B(3,1),C(5,4).
(1)画出△ABC关于x轴对称的△A1B1C1;
(2)以点P(1,﹣1)为位似中心,在如图所示的网格中画出△A1B1C1的位似图形△A2B2C2,使△A2B2C2与△A1B1C1的相似比为2:1;
(3)画出△ABC绕点C逆时针旋转90°的△A′B′C′,并写出线段BC扫过的面积
(1)画出△ABC关于x轴对称的△A1B1C1;
(2)以点P(1,﹣1)为位似中心,在如图所示的网格中画出△A1B1C1的位似图形△A2B2C2,使△A2B2C2与△A1B1C1的相似比为2:1;
(3)画出△ABC绕点C逆时针旋转90°的△A′B′C′,并写出线段BC扫过的面积
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/d620ada9-cbf2-440f-b3d5-acd2173301ce.png?resizew=162)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】在如图所示的正方形网格中,每个小正方形的边长为1,格点三角形(顶点是网格线的交点的三角形)
的顶点
,
的坐标分别为
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/25/38b6bece-5826-488b-bcd0-3267eae9f5a6.png?resizew=168)
(1)请在如图所示的网格平面内作出符合题意的平面直角坐标系;
(2)请在如图所示的网格平面内作出
关于
轴对称的
,并写出点
的坐标(其中点
、
、
分别是点
、
、
的对应点);
(3)连接
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d03268e486f9fb09a44eca7d8ff7a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f9f734c03d04c21edefa08e0acc1fa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/25/38b6bece-5826-488b-bcd0-3267eae9f5a6.png?resizew=168)
(1)请在如图所示的网格平面内作出符合题意的平面直角坐标系;
(2)请在如图所示的网格平面内作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c92b5799d12ea37de46d7c942ce7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0f0ccc8492a0ccf1eee24867060643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c430808cb91d66ce60b1e2f83f129db.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/1322999d-9c83-4fa1-a3c6-861a0d006b4e.png?resizew=147)
(1)在图中作出
关于
轴的对称图形
,并写出点
的坐标(_____,____);
(2)若点
与点
关于
轴对称,则
_____、
_____;
(3)求
的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/1322999d-9c83-4fa1-a3c6-861a0d006b4e.png?resizew=147)
(1)在图中作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb679496a9c708d807cb9edcda60b12c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8556090011f4a6809147e1e80037566b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,
三个顶点的坐标分别为
、
、
.
(1)若
与
关于y轴成轴对称,请在答题卷上作出
,并写出的三个顶点坐标;
(2)求
的面积;
(3)若点P为y轴上一点,要使
的值最小,请在答题卷上作出点P的位置.保留作图痕迹.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c60420f9cc16c97d68089ea5de76f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cad955f235c6dc064b5cc814b8c0656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53af6b4d0bddde0c188b4ae6f643bef0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/5/c72ae615-5510-445b-a172-47b5461bee43.png?resizew=235)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)若点P为y轴上一点,要使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3456a425d70aa1b64fc679cd88f2ed.png)
您最近一年使用:0次